CN205138847U - Mining waterproof negative pressure gas sampling device - Google Patents
Mining waterproof negative pressure gas sampling device Download PDFInfo
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- CN205138847U CN205138847U CN201520939530.2U CN201520939530U CN205138847U CN 205138847 U CN205138847 U CN 205138847U CN 201520939530 U CN201520939530 U CN 201520939530U CN 205138847 U CN205138847 U CN 205138847U
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- way pipe
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- pressure gas
- gas
- dry
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Abstract
The utility model discloses a mining waterproof negative pressure gas sampling device, including the three -way pipe, an air inlet pipe, outlet duct and bleeder valve, intake pipe one end and first mouthful of sealing connection of three -way pipe, install first check valve in the intake pipe, install dry groove in the three -way pipe, the sealed capping that is provided with of notch in dry groove, capping and three -way pipe sealing connection, admit air to incline and be equipped with a plurality of inlet ports in dry groove, give vent to anger to incline and be equipped with a plurality of ventholes in dry groove, dry inslot is equipped with dry package, the drier is equipped with in the dry package, dry groove sets up in intake pipe and three -way pipe junction, an outlet duct one end and a three -way pipe second mouthful sealing connection, install the second check valve on the outlet duct, the installation opposite direction of second check valve and first check valve, the bleeder valve is installed on a third mouth of three -way pipe. The utility model discloses slow, the impurity such as the gas tightness is poor, groundwater of gas producting rate are to gather gas and analysis gas causes the adverse effect scheduling problem when effectively having solved the gaseous sampling in collecting space area.
Description
Technical field
The utility model belongs to mining machinery technical field, is specifically related to the mining waterproof negative-pressure gas sampling apparatus of a kind of coal mine gob mixed gas sampling.
Background technology
Goaf spontaneous combustion of float is one of underground coal mine major casualty, do not occur that spontaneous combustion is dangerous in order to ensure fully mechanized coal face goaf float coal, prerequisite must mark off coal spontaneous combustion " three bands ", i.e. heat-radiation belt, oxidation intensification band, suffocative zone, and determine the spontaneous fine seam in goaf, formulate and implement corresponding prophylactico-therapeutic measures according to the hazardous location determined simultaneously.According to the concentration of goaf " three bands " leading indicator such as oxygen, carbon monoxide gas, the particular location of goaf heat-radiation belt, oxidation intensification band, suffocative zone just can be divided.The mode of existing collection goaf gas mainly utilizes negative pressure balloon sampling thief and mining negative pressure sucking pump, but negative pressure balloon sampling thief inefficiency, the gas production duration is long; Mining negative pressure sucking pump sealing is poor, and gather gas inaccurate, underground water enters beam tube easily makes mining negative pressure sucking pump damage.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, a kind of mining waterproof negative-pressure gas sampling apparatus is provided, its structure is simple, reasonable in design and use easy to operate, when efficiently solving goaf gas sampling, the impurity such as gas producting rate slow, poor air-tightness, underground water causes the problems such as adverse effect to collection gas and analytical gas, easily manufactured, low cost of manufacture.
For achieving the above object, the technical solution adopted in the utility model is: a kind of mining waterproof negative-pressure gas sampling apparatus, it is characterized in that: comprise three-way pipe, draft tube, escape pipe and extraction valve, one end of described draft tube and first of three-way pipe mouth are tightly connected, described draft tube is provided with the first retaining valve, in described three-way pipe, dry slot is installed, the notch sealing of described dry slot is provided with groove lid, described groove lid and three-way pipe are tightly connected, the air inlet side of described dry slot is provided with multiple air admission hole, the side of giving vent to anger of described dry slot is provided with multiple venthole, dry bag is provided with in described dry slot, described drying bag is built with drying agent, described dry slot is arranged on draft tube and three-way pipe junction, one end of described escape pipe and second of three-way pipe mouth are tightly connected, described escape pipe is provided with the second retaining valve, the installation direction of described second retaining valve and the first retaining valve is contrary, the 3rd mouth that described extraction valve is arranged on three-way pipe can do piston like motion with intake-gas.
Above-mentioned one is mining waterproof negative-pressure gas sampling apparatus, is characterized in that: the other end of described draft tube is sealedly connected with proofed sleeve.
Above-mentioned one is mining waterproof negative-pressure gas sampling apparatus, it is characterized in that: the shape of cross section of first mouth of described three-way pipe, second mouth and the 3rd mouth is annular, first mouth of described three-way pipe and the internal diameter of second mouth are r, the internal diameter of the 3rd mouth of described three-way pipe is R, and described R is 2 ~ 3 times of r.
Above-mentioned one is mining waterproof negative-pressure gas sampling apparatus, is characterized in that: air inlet side and the side of giving vent to anger of described dry slot are reticulate texture.
Above-mentioned one is mining waterproof negative-pressure gas sampling apparatus, is characterized in that: the shape of described three-way pipe is T-shaped.
Above-mentioned one is mining waterproof negative-pressure gas sampling apparatus, is characterized in that: the shape of described groove lid is back taper.
Above-mentioned one is mining waterproof negative-pressure gas sampling apparatus, is characterized in that: described groove lid is elastic groove lid.
The utility model compared with prior art has the following advantages:
1, the utility model structure is simple, reasonable in design and use easy to operate.
2, the utility model is by arranging dry slot, the impact that can prevent underground water from causing gas production and analytical gas, makes the gas collected be dry gas; Each connecting portion is and is tightly connected, ensure that air tight, gather gas accurate; The installation direction of the second retaining valve and the first retaining valve is contrary, can guarantee that gas flows into from draft tube, flows out, ensure that the uniflux of gas from escape pipe.
3, first mouth of the utility model three-way pipe and the internal diameter of second mouth are r, 2 ~ 3 times of the internal diameter of the 3rd mouth of three-way pipe to be R, R be r, and the every back and forth movement of such extraction valve once, has enough gas to flow through, to reach the efficient object of gas production.
4, the utility model is easily manufactured, low cost of manufacture, is applicable to coal mine gob and gathers mixed gas.
In sum, the utility model solves poor air-tightness when gathering mixed gas, gathers the slow problem of gas velocity, avoids the adverse effect that underground water causes collection gas and analytical gas, is particularly suitable for coal mine gob and gathers mixed gas, simple, substantially increase work efficiency.
Below by drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
1-three-way pipe; 2-draft tube; 3-escape pipe;
4-dry slot; 5-groove lid; 6-the first retaining valve;
7-proofed sleeve; 8-the second retaining valve; 9-extraction valve;
10-dry bag.
Embodiment
As shown in Figure 1, the utility model comprises three-way pipe 1, draft tube 2, escape pipe 3 and extraction valve 9, one end of described draft tube 2 and first mouth of three-way pipe 1 are tightly connected, described draft tube 2 is provided with the first retaining valve 6, in described three-way pipe 1, dry slot 4 is installed, the notch sealing of described dry slot 4 is provided with groove lid 5, described groove lid 5 is tightly connected with three-way pipe 1, the air inlet side of described dry slot 4 is provided with multiple air admission hole, the side of giving vent to anger of described dry slot 4 is provided with multiple venthole, dry bag 10 is provided with in described dry slot 4, described drying bag 10 is built with drying agent, described dry slot 4 is arranged on draft tube 2 and three-way pipe 1 junction, one end of described escape pipe 3 and second mouth of three-way pipe 1 are tightly connected, described escape pipe 3 is provided with the second retaining valve 8, the installation direction of described second retaining valve 8 and the first retaining valve 6 is contrary, the 3rd mouth that described extraction valve 9 is arranged on three-way pipe 1 can do piston like motion with intake-gas.
As shown in Figure 1, the other end of described draft tube 2 is sealedly connected with proofed sleeve 7.
In the present embodiment, the shape of cross section of first mouth of described three-way pipe 1, second mouth and the 3rd mouth is annular, first mouth of described three-way pipe 1 and the internal diameter of second mouth are r, the internal diameter of the 3rd mouth of described three-way pipe 1 is R, described R is 2 ~ 3 times of r, the every back and forth movement of such extraction valve 9 once, has enough gas to flow through, to reach the efficient object of gas production.
In the present embodiment, air inlet side and the side of giving vent to anger of described dry slot 4 are reticulate texture, can guarantee that gas circulates smoothly.
In the present embodiment, the shape of described three-way pipe 1 is T-shaped.
In the present embodiment, the shape of described groove lid 5 is back taper, and described groove lid 5 is elastic groove lid, to ensure sealing.
Principle of work of the present utility model is: during use, and the beam tube extended out from goaf or the air exhaust nozzle of steel pipe are connected with proofed sleeve 7.Because proofed sleeve 7 is resilient material, therefore connect two end interfaces and can play good sealing function, ensure the accuracy of gas production.Operation extraction valve 9 does piston like motion, then the gas in goaf enters in dry slot 4 successively after proofed sleeve 7 and draft tube 2, is absorbed wherein flow out from escape pipe 3 after moisture drying by drying bag 10.The installation direction of the second retaining valve 8 and the first retaining valve 6 is contrary, can guarantee that gas flows into from draft tube 2, flow out from escape pipe 3, ensure that the uniflux of gas.During actual fabrication, dry bag 10 adopts tulle bag, and drying agent is wrapped in tulle bag.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. a mining waterproof negative-pressure gas sampling apparatus, it is characterized in that: comprise three-way pipe (1), draft tube (2), escape pipe (3) and extraction valve (9), one end of described draft tube (2) and first mouth of three-way pipe (1) are tightly connected, described draft tube (2) is provided with the first retaining valve (6), dry slot (4) is installed in described three-way pipe (1), the notch sealing of described dry slot (4) is provided with groove lid (5), described groove lid (5) and three-way pipe (1) are tightly connected, the air inlet side of described dry slot (4) is provided with multiple air admission hole, the side of giving vent to anger of described dry slot (4) is provided with multiple venthole, dry bag (10) is provided with in described dry slot (4), described drying bag (10) is built with drying agent, described dry slot (4) is arranged on draft tube (2) and three-way pipe (1) junction, one end of described escape pipe (3) and second mouth of three-way pipe (1) are tightly connected, described escape pipe (3) is provided with the second retaining valve (8), the installation direction of described second retaining valve (8) and the first retaining valve (6) is contrary, the 3rd mouth that described extraction valve (9) is arranged on three-way pipe (1) can do piston like motion with intake-gas.
2. according to one according to claim 1 mining waterproof negative-pressure gas sampling apparatus, it is characterized in that: the other end of described draft tube (2) is sealedly connected with proofed sleeve (7).
3. according to the mining waterproof negative-pressure gas of the one described in claim 1 or 2 sampling apparatus, it is characterized in that: the shape of cross section of first mouth of described three-way pipe (1), second mouth and the 3rd mouth is annular, first mouth of described three-way pipe (1) and the internal diameter of second mouth are r, the internal diameter of the 3rd mouth of described three-way pipe (1) is R, and described R is 2 ~ 3 times of r.
4. according to the mining waterproof negative-pressure gas of the one described in claim 1 or 2 sampling apparatus, it is characterized in that: air inlet side and the side of giving vent to anger of described dry slot (4) are reticulate texture.
5. according to the mining waterproof negative-pressure gas of the one described in claim 1 or 2 sampling apparatus, it is characterized in that: the shape of described three-way pipe (1) is T-shaped.
6. according to the mining waterproof negative-pressure gas of the one described in claim 1 or 2 sampling apparatus, it is characterized in that: the shape of described groove lid (5) is back taper.
7. according to the mining waterproof negative-pressure gas of the one described in claim 1 or 2 sampling apparatus, it is characterized in that: described groove lid (5) is elastic groove lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520939530.2U CN205138847U (en) | 2015-11-21 | 2015-11-21 | Mining waterproof negative pressure gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520939530.2U CN205138847U (en) | 2015-11-21 | 2015-11-21 | Mining waterproof negative pressure gas sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205138847U true CN205138847U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520939530.2U Expired - Fee Related CN205138847U (en) | 2015-11-21 | 2015-11-21 | Mining waterproof negative pressure gas sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205138847U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053157A (en) * | 2016-05-18 | 2016-10-26 | 上海化工研究院 | Generated nitrogen driven portable gas rapid sampling device |
| CN107966333A (en) * | 2017-12-14 | 2018-04-27 | 中国科学院海洋研究所 | Deep sea in-situ gas gastight sampling system |
| CN109612788A (en) * | 2018-12-27 | 2019-04-12 | 北京天地华泰矿业管理股份有限公司 | A kind of gas sample collecting device for air applied to underground coal mine |
| CN112691868A (en) * | 2020-12-29 | 2021-04-23 | 张瑞稳 | Automatic drying device that breathes in of wood furniture baking finish |
| CN113229730A (en) * | 2021-04-30 | 2021-08-10 | 厦门聚卡信息科技有限公司 | Intelligent rice bin of protection against insects moisture proof |
-
2015
- 2015-11-21 CN CN201520939530.2U patent/CN205138847U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053157A (en) * | 2016-05-18 | 2016-10-26 | 上海化工研究院 | Generated nitrogen driven portable gas rapid sampling device |
| CN106053157B (en) * | 2016-05-18 | 2019-04-05 | 上海化工研究院有限公司 | A kind of generation nitrogen driving portable gas quick sampling device |
| CN107966333A (en) * | 2017-12-14 | 2018-04-27 | 中国科学院海洋研究所 | Deep sea in-situ gas gastight sampling system |
| CN109612788A (en) * | 2018-12-27 | 2019-04-12 | 北京天地华泰矿业管理股份有限公司 | A kind of gas sample collecting device for air applied to underground coal mine |
| CN109612788B (en) * | 2018-12-27 | 2024-04-02 | 北京天地华泰矿业管理股份有限公司 | Gas sample collection device applied to underground coal mine |
| CN112691868A (en) * | 2020-12-29 | 2021-04-23 | 张瑞稳 | Automatic drying device that breathes in of wood furniture baking finish |
| CN112691868B (en) * | 2020-12-29 | 2023-05-05 | 山东美和广润厨卫科技有限公司 | Automatic air suction drying device for solid wood furniture baking varnish |
| CN113229730A (en) * | 2021-04-30 | 2021-08-10 | 厦门聚卡信息科技有限公司 | Intelligent rice bin of protection against insects moisture proof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20161121 |